gendiff-pdronenko/dist/buildASTdiff.js

Compares two configuration files and shows a difference.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _lodash = require("lodash");

const typeActionsList = [{
  type: 'unchanged',
  process: value => ({
    value
  }),
  check: (key, obj1, obj2) => (0, _lodash.has)(obj1, key) && obj1[key] === obj2[key]
}, {
  type: 'deleted',
  process: value => ({
    value
  }),
  check: (key, obj1, obj2) => (0, _lodash.has)(obj1, key) && !(0, _lodash.has)(obj2, key)
}, {
  type: 'added',
  process: (value1, value2) => ({
    value: value2
  }),
  check: (key, obj1, obj2) => !(0, _lodash.has)(obj1, key) && (0, _lodash.has)(obj2, key)
}, {
  type: 'nested',
  process: (value1, value2, f) => ({
    children: f(value1, value2)
  }),
  check: (key, obj1, obj2) => (0, _lodash.isObject)(obj1[key]) && (0, _lodash.isObject)(obj2[key])
}, {
  type: 'changed',
  process: (value1, value2) => ({
    addedValue: value2,
    deletedValue: value1
  }),
  check: (key, obj1, obj2) => (0, _lodash.has)(obj1, key) && obj1[key] !== obj2[key]
}];

const getTypeActions = (key, obj1, obj2) => typeActionsList.find(({
  check
}) => check(key, obj1, obj2));

const buildASTdiff = (obj1, obj2) => {
  const keys = (0, _lodash.union)(Object.keys(obj1), Object.keys(obj2));
  return keys.map(key => {
    const {
      type,
      process
    } = getTypeActions(key, obj1, obj2);
    return {
      type,
      key,
      ...process(obj1[key], obj2[key], buildASTdiff)
    };
  });
};

var _default = buildASTdiff;
exports.default = _default;
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